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anatomical location of MI

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https://www.readbyqxmd.com/read/29737379/a-simple-method-to-locate-mandibular-foramen-with-cone-beam-computed-tomography-and-its-relevance-to-oral-and-maxillofacial-surgery-a-radio-anatomical-study
#1
Mohammad H Al-Shayyab
PURPOSE: The mandibular foramen (MF) cannot be palpated clinically and its location is variable at the medial surface of mandibular ramus. Nevertheless, determining its exact location is very important to the oral and maxillofacial surgeon for the relevant anesthetic and surgical ramus procedures. The aim of this study was to analyze the position of MF using cone-beam computed tomography (CBCT) to help the surgeon in identifying reliable 'target area' for the inferior alveolar nerve (IAN) block and 'safety zone' for mandibular ramus osteotomies approached extra-orally...
May 8, 2018: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/29408589/identification-of-stria-medullaris-fibers-in-the-massa-intermedia-using-diffusion-tensor-imaging
#2
Ryan B Kochanski, Robert Dawe, Mehmet Kocak, Sepehr Sani
BACKGROUND: The massa intermedia (MI) or interthalamic adhesion is an inconsistent band spanning between bilateral medial thalami that is absent in up to 20%-30% of individuals. Little is known of its significance, especially in regard to functional pathways. Probabilistic diffusion tensor imaging (DTI) has recently been used to seed the lateral habenula and define its afferent white matter pathway, the stria medullaris thalami (SM). We sought to determine whether the MI serves as a conduit for crossing of limbic fibers such as the SM...
April 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29276498/role-of-hyperintense-acute-reperfusion-marker-for-classifying-the-stroke-etiology
#3
Hee Young Choi, Kyung Mi Lee, Hyug-Gi Kim, Eui Jong Kim, Woo Suk Choi, Bum Joon Kim, Sung Hyuk Heo, Dae-Il Chang
Purpose: The hyperintense acute reperfusion marker (HARM) is a delayed enhancement of the subarachnoid or subpial space observed on post-contrast fluid-attenuated inversion recovery (FLAIR) images and is associated with permeability changes to the blood-brain barrier in acute stroke. We investigated the relationship between HARM and stroke etiology based on the Trial of ORG 10172 in Acute Stroke Treatment (TOAST) classification. In addition, we evaluated the relationship between HARM and stroke locations with respect to vascular territories and anatomic compartments...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/29197957/magnetic-resonance-imaging-follow-up-of-chondroid-tumors-regression-vs-progression
#4
Bo Mi Chung, Sung Hwan Hong, Hye Jin Yoo, Ja-Young Choi, Hee-Dong Chae, Dong Hyun Kim
OBJECTIVE: To present magnetic resonance imaging (MRI) evidence of the regression or progression of chondroid tumors and to investigate whether MRI can be used to predict the evolution of chondroid tumors. MATERIALS AND METHODS: Twenty-one patients with enchondromas or atypical cartilaginous tumors who had undergone extremity MRI at least twice with a minimum 12-month interval between the MRIs were enrolled in this study. The diagnosis was based on the radiography and MRI findings...
December 3, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/29172407/the-impact-of-primary-tumor-location-in-patients-with-metastatic-colorectal-cancer-a-korean-cancer-study-group-co12-04-study
#5
Jae Ho Byun, Joong Bae Ahn, Sun Young Kim, Jung Hun Kang, Dae Young Zang, Seok Yun Kang, Myoung Joo Kang, Byoung Yong Shim, Sun Kyung Baek, Bong-Seog Kim, Kyung Hee Lee, Soon Il Lee, Sang-Hee Cho, Byeong Seok Sohn, Samyong Kim, In Gyu Hwang, Eun Mi Nam, Bong-Gun Seo, Sang Cheul Oh, Myung-Ah Lee, Sang-Cheol Lee, Ji Hyung Hong, Young Suk Park
Background/Aims: Colorectal cancer is associated with different anatomical, biological, and clinical characteristics. We determined the impact of the primary tumor location in patients with metastatic colorectal cancer (mCRC). Methods: Demographic data and clinical information were collected from 1,115 patients from the Republic of Korea, who presented with mCRC between January 2009 and December 2011, using web-based electronic case report forms. Associations between the primary tumor location and the patient's clinical characteristics were assessed, and factors inf luencing overall survival were analyzed using Cox proportional hazards regression models...
November 28, 2017: Korean Journal of Internal Medicine
https://www.readbyqxmd.com/read/28971043/anatomical-localization-of-motor-points-of-the-abductor-hallucis-muscle-a-cadaveric-study
#6
Asayeon Choi, Na Yeon Kwon, Kyeongwon Kim, Youngkook Kim, Jeehae Oh, Hyun Mi Oh, Joo Hyun Park
OBJECTIVE: To identify the anatomical motor points of the abductor hallucis muscle in cadavers. METHODS: Motor nerve branches to the abductor hallucis muscles were examined in eight Korean cadaver feet. The motor point was defined as the site where the intramuscular nerve penetrates the muscle belly. The reference line connects the metatarsal base of the hallux (H) to the medial tubercle of the calcaneus (C). The x coordinate was the horizontal distance from the motor point to the point where the perpendicular line from the navicular tuberosity crossed the reference line...
August 2017: Annals of Rehabilitation Medicine
https://www.readbyqxmd.com/read/28866074/anatomical-connections-between-the-buccinator-and-the-tendons-of-the-temporalis
#7
Mi-Sun Hur
The aim of this study was to clarify the anatomical relationship between the buccinator and the temporalis in order to improve understanding of the precise and coordinated movements of the mouth and the mandible. The buccinator and the temporalis were investigated in 72 hemifaces from Korean cadavers. Removing the buccal fat pad from the buccinator revealed that the fascia encircled the space between the superficial and deep tendons of the temporalis laterally, and the external surface of the buccinator medially in all specimens (100%)...
November 2017: Annals of Anatomy, Anatomischer Anzeiger: Official Organ of the Anatomische Gesellschaft
https://www.readbyqxmd.com/read/28844869/what-is-the-optimal-anatomic-location-for-coronary-artery-pressure-measurement-at-ct-derived-ffr
#8
Mateusz Solecki, Mariusz Kruk, Marcin Demkow, U Joseph Schoepf, Michael A Reynolds, Łukasz Wardziak, Zofia Dzielińska, Mateusz Śpiewak, Barbara Miłosz-Wieczorek, Łukasz Małek, Magdalena Marczak, Cezary Kępka
BACKGROUND: CT-FFR is an area of growing interest in the field of cardiac imaging. However, the specific anatomic location distal to a lesion of interest where CT-FFR should be computed to yield the most valid results has not been examined. This study investigated the most appropriate anatomic location distal to a coronary artery stenosis for obtaining CT-FFR measurements. METHODS: 73 patients (60 ± 9 years; 58% male) with at least one coronary lesion with 40-90% stenosis on coronary CTA (either a 2 × 128 slice or a 2 × 192 slice dual-source CT scanner) underwent stress cardiac magnetic resonance (CMR) perfusion imaging for inducible ischemia...
September 2017: Journal of Cardiovascular Computed Tomography
https://www.readbyqxmd.com/read/28834838/anatomical-relationship-of-the-inferior-bundle-of-the-incisivus-labii-inferioris-with-the-depressor-labii-inferioris-and-the-platysma
#9
Mi-Sun Hur
The current study examined the inferior bundle of the incisivus labii inferioris muscle (ILI) and its morphologic and spatial relationships with regard to the depressor labii inferioris muscle (DLI) and the platysma. Incisivus labii inferioris muscles and their inferior bundles were investigated in 50 specimens from embalmed Korean adult cadavers. The inferior bundle of the ILI was divided from the originating fibers of the ILI, and it was present in all specimens (100%). The inferior bundle of the ILI could be distinguished into the transverse and inferolateral slips according to their courses and locations...
October 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28597846/single-trial-effective-brain-connectivity-patterns-enhance-discriminability-of-mental-imagery-tasks
#10
Dheeraj Rathee, Hubert Cecotti, Girijesh Prasad
OBJECTIVE: The majority of the current approaches of connectivity based brain-computer interface (BCI) systems focus on distinguishing between different motor imagery (MI) tasks. Brain regions associated with MI are anatomically close to each other, hence these BCI systems suffer from low performances. Our objective is to introduce single-trial connectivity feature based BCI system for cognition imagery (CI) based tasks wherein the associated brain regions are located relatively far away as compared to those for MI...
October 2017: Journal of Neural Engineering
https://www.readbyqxmd.com/read/28512653/simplified-technique-for-easy-extraction-of-impacted-supernumerary-teeth-using-guided-surgery
#11
Ok Hyung Nam, Hyeonjong Lee, Mi Sun Kim, Hyo-Seol Lee, Sung Chul Choi
Most mesiodens remain impacted and can affect the growth and development of adjacent permanent teeth. Impacted mesiodens are usually located in an intraosseous position associated with complicated anatomical structures, necessitating minimally invasive surgical approaches. This article demonstrates a simple customized surgical stent for extraction of impacted mesiodens. Its use and advantages are described.
2017: Quintessence International
https://www.readbyqxmd.com/read/27928799/-impact-of-laparoscopic-surgery-on-efficacy-in-the-treatment-of-gastrointestinal-stromal-tumors-in-different-anatomical-locations
#12
Qingfeng Chen, Jianxian Lin, Chaohui Zheng, Ping Li, Jianwei Xie, Jiabin Wang, Jun Lu, Qiyue Chen, Mi Lin, Longlong Cao, Changming Huang
OBJECTIVE: To investigate the efficacy of laparoscopic surgery in the treatment of gastrointestinal stromal tumors (GIST) in different anatomical locations. METHODS: Clinical data of 133 patients with primary gastric GIST undergoing laparoscopic resection at our department from January 2006 to December 2014 were retrospectively analyzed. These patients were divided into favorable site group (F group, 90 cases), including gastric fundus, anterior wall and greater curvature of gastric body, and unfavorable site group (UF group, 43 cases),including gastroesophageal junction, posterior wall and lesser curvature of gastric body,antrum and pylorus, according to the 2014 version National Comprehensive Cancer Network Clinical Guidelines...
November 25, 2016: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/27866279/high-risk-carotid-plaques-identified-by-ct-angiogram-can-predict-acute-myocardial-infarction
#13
Wassim Mosleh, Keenan Adib, Punnanithinont Natdanai, Andres Carmona-Rubio, Roshan Karki, Jacienta Paily, Mohamed Abdel-Aal Ahmed, Sujit Vakkalanka, Narasa Madam, Gregory D Gudleski, Charles Chung, Umesh C Sharma
Prior studies identified the incremental value of non-invasive imaging by CT-angiogram (CTA) to detect high-risk coronary atherosclerotic plaques. Due to their superficial locations, larger calibers and motion-free imaging, the carotid arteries provide the best anatomic access for the non-invasive characterization of atherosclerotic plaques. We aim to assess the ability of predicting obstructive coronary artery disease (CAD) or acute myocardial infarction (MI) based on high-risk carotid plaque features identified by CTA...
April 2017: International Journal of Cardiovascular Imaging
https://www.readbyqxmd.com/read/27413487/clinical-effectiveness-of-ultrasound-guided-costotransverse-joint-injection-in-thoracic-back-pain-patients
#14
Kyung Bong Yoon, Shin Hyung Kim, Sang Jun Park, Ji Ae Moon, Duck Mi Yoon
Because of its anatomical location and function, the costotransverse (CTRV) joint can be a source of thoracic back pain. In this retrospective observational study, we evaluated the clinical effectiveness of the CTRV joint injection in thoracic back pain patients with suspected CTRV joint problems. We enrolled 20 thoracic back pain patients with localized tenderness that was provoked by the application of pressure on the affected CTRV joints. We injected it with 0.5 ml of a ropivacaine and triamcinolone mixture at each level...
July 2016: Korean Journal of Pain
https://www.readbyqxmd.com/read/27334510/histopathologic-evaluations-of-the-lingual-artery-in-healthy-tongue-of-adult-cadaver
#15
Mi Jin Mun, Chang-Hoon Lee, Byung-Joo Lee, Jin-Choon Lee, Jeon Yeob Jang, Sung Hoon Jung, Soo-Geun Wang
OBJECTIVES: To clarify the anatomical distribution of the lingual artery in normal adult subjects through histopathologic evaluations. METHODS: Eighteen healthy cadaveric tongues were used to produce 8 paraffin-embedded tissue sections each. Length from midline raphe, depth from dorsum of tongue and the whole transverse length tongue were measured. The lateral distance, depth, and proportion of lateral distance of deep lingual artery were determined from tip to base of tongue gradually...
September 2016: Clinical and Experimental Otorhinolaryngology
https://www.readbyqxmd.com/read/26862341/prognostic-factors-of-28-days-survival-rate-in-patients-with-a-first-acute-myocardial-infarction-based-on-gender-in-isfahan-iran-2000-2009
#16
Mahdi Mohammadian, Shidokht Hosseini, Hamid Salehiniya, Masoumeh Sadeghi, Nizal Sarrafzadegan, Hamid Reza Roohafza, Salman Khazaei, Shahin Soltani, Ali Sarrafkia, Jafar Golshahi, Abdollah Mohammadian-Hafshejani
BACKGROUND: Determinant prognostic factors of 28 days survival rate in patients with a first acute myocardial infarction (AMI) based on gender in teen year's period in Isfahan, Iran, was the aim of this study. METHODS: This study is a prospective hospital-based study that consisted, all patients with AMI admitted to all hospitals (private and universal hospitals) in Isfahan and Najafabad (Iran) during 2000-2009. To determinant the prognostic factors of 28 days survival rate in patients based on gender, analysis conducted separately for male and female...
November 2015: ARYA Atherosclerosis
https://www.readbyqxmd.com/read/26369642/computed-tomography-segmental-calcium-score-scs-to-predict-stenosis-severity-of-calcified-coronary-lesions
#17
Francesca Pugliese, M G M Hunink, Willem B Meijboom, Katarzyna Gruszczynsnka, Marco Rengo, Lu Zou, Ian Baron, Marcel L Dijkshoorn, Gabriel P Krestin, Pim J de Feyter
To estimate the probability of ≥ 50% coronary stenoses based on computed tomography (CT) segmental calcium score (SCS) and clinical factors. The Institutional Review Board approved the study. A training sample of 201 patients underwent CT calcium scoring and conventional coronary angiography (CCA). All patients consented to undergo CT before CCA after being informed of the additional radiation dose. SCS and calcification morphology were assessed in individual coronary segments. We explored the predictive value of patient's symptoms, clinical history, SCS and calcification morphology...
December 2015: International Journal of Cardiovascular Imaging
https://www.readbyqxmd.com/read/26313782/primary-pulmonary-synovial-sarcoma-in-a-tertiary-referral-center-clinical-characteristics-ct-and-18f-fdg-pet-findings-with-pathologic-correlations
#18
Gun Ha Kim, Mi Young Kim, Hyun Jung Koo, Joon Seon Song, Chang-Min Choi
The purpose of this study was to describe the patient characteristics, computed tomography (CT) and F-fluorodeoxyglucose positron emission tomography (FDG PET) findings, and clinical outcomes of primary pulmonary synovial sarcoma (PPSS), together with their pathologic correlations. The medical records of 14 patients with pathologically proven PPSS in a tertiary hospital from January 1997 to December 2014 were retrospectively reviewed. The CT findings were evaluated. The maximum standardized uptake value (maxSUV) of the tumors was obtained, and clinical outcomes with respect to tumor recurrence and mortality were assessed by Kaplan-Meier analysis...
August 2015: Medicine (Baltimore)
https://www.readbyqxmd.com/read/26253505/ventricular-tachycardia-and-early-fibrillation-in-patients-with-brugada-syndrome-and-ischemic-cardiomyopathy-show-predictable-frequency-phase-properties-on-the-precordial-ecg-consistent-with-the-respective-arrhythmogenic-substrate
#19
David Calvo, Felipe Atienza, Javier Saiz, Laura Martínez, Pablo Ávila, José Rubín, Benito Herreros, Ángel Arenal, Javier García-Fernández, Ana Ferrer, Rafael Sebastián, Pablo Martínez-Camblor, José Jalife, Omer Berenfeld
BACKGROUND: Ventricular fibrillation (VF) has been proposed to be maintained by localized high-frequency sources. We tested whether spectral-phase analysis of the precordial ECG enabled identification of periodic activation patterns generated by such sources. METHODS AND RESULTS: Precordial ECGs were recorded from 15 ischemic cardiomyopathy and 15 Brugada syndrome (type 1 ECG) patients during induced VF and analyzed in the frequency-phase domain. Despite temporal variability, induced VF episodes lasting 19...
October 2015: Circulation. Arrhythmia and Electrophysiology
https://www.readbyqxmd.com/read/26018255/-application-of-3d-visualization-3d-printing-and-3d-laparoscopy-in-the-diagnosis-and-surgical-treatment-of-hepatic-tumors
#20
Chihua Fang, Zhaoshan Fang, Yingfang Fan, Jianyi Li, Fei Xiang, Haisu Tao
OBJECTIVE: To study the value of three-dimensional (3D) visualization, 3D printing and 3D laparoscopy (3-3D techniques) in the diagnosis and surgical treatment of hepatic tumors. METHODS: From November 2013 to January 2015, 22 patients with hepatic tumors admitted in our department underwent abdominal thin-slice CT scanning. The CT images were imported into Medical Image three Dimensional Visualization System (MI-3DVS) for 3D reconstruction. Standard Template Library (STL) files were exported for 3D printing...
May 2015: Nan Fang Yi Ke da Xue Xue Bao, Journal of Southern Medical University
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